在ＢＡＬＢ／ｃ小鼠生产群中，１罐（：＝１：１交配）繁殖鼠生下２ ．７被毛稀疏的仔鼠。该对仔鼠成年后进行兄妹交配，后代出现三种表型：被毛紧披，生长快，繁殖力强的正常全......

Apoptosis or programmed cell death(PCD) is an evolutionarily conserved cellular process that is essential for normal dev......